Home / 2,813,834.40-4,220,714.72-683,912.32

Finding the Fourth Proportional to 2,813,834.40, 4,220,714.72 and 683,912.32

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Solution

The fourth proportional to 2,813,834.40, 4,220,714.72 and 683,912.32 is: 1,025,859.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,813,834.40 : 4,220,714.72 = 683,912.32 : x
  2. Step 2: Convert to fraction form
    2,813,834.40/4,220,714.72 = 683,912.32/x
  3. Step 3: Cross multiply
    2,813,834.40x = 4,220,714.72 × 683,912.32
  4. Step 4: Simplify right side
    2,813,834.40x = 2,886,598,796,213.35
  5. Step 5: Solve for x
    x = 2,886,598,796,213.35/2,813,834.40
  6. Step 6: Final answer
    x = 1,025,859.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.